Definition: 'Usher Syndrome'

Usher syndrome

Type: Term

Pronunciation: ŭsh′ĕr

Definitions:
1. autosomal recessive inheritance with genetic heterogeneity; based on gene cloning and location, six forms of type I cause sensorineural hearing loss, loss of vestibular function, and retinitis pigmentosa; three forms of type II and one form of type III are characterized by hearing loss and retinitis pigmentosa.